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  1. Article

    Open Access

    Lowest instrumented vertebrae in early onset scoliosis: is there a role for a more selective approach?

    This purpose of this study was to assess the impact of patient and implant characteristics on LIV selection in ambulatory children with EOS and to assess the relationship between the touched vertebrae (TV), th...

    Michael J. Heffernan, Claudia Leonardi, Lindsay M. Andras in Spine Deformity (2024)

  2. No Access

    Article

    Coronal decompensation following thoracic vertebral body tethering in idiopathic scoliosis

    Post-operative coronal decompensation (CD) continues to be a challenge in the treatment of adolescent idiopathic scoliosis (AIS). CD following selective spinal fusion has been studied. However, there is curren...

    Yoji Ogura, A. Noelle Larson, Laurel Blakemore, Firoz Miyanji in Spine Deformity (2024)

  3. Article

    Open Access

    Incidental dural tears during pediatric posterior spinal fusions

    To characterize the frequency of incidental dural tears in pediatric spine surgery, their treatment, complications, and results of long-term follow-up.

    Paal K. Nilssen, Edward Compton, Stephen Stephan, Lindsay M. Andras in Spine Deformity (2024)

  4. No Access

    Article

    Rib-to-spine and rib-to-pelvis magnetically controlled growing rods: does the law of diminishing returns still apply?

    The Law Of Diminishing Returns (LODR) has been demonstrated for traditional growing rods, but there is conflicting data regarding the lengthening behavior of Magnetically Controlled Growing Rods (MCGR). This s...

    Jessica H. Heyer, Jason B. Anari, Keith D. Baldwin, Stuart L. Mitchell in Spine Deformity (2023)

  5. Article

    Open Access

    Concave and convex growth do not differ over tethered vertebral segments, even with open tri-radiate cartilage

    To assess the following hypotheses related to vertebral body tethering (VBT): 1. VBT is associated with asymmetric (concave > convex) increases in height over the instrumented vertebra. 2. The instrumented Cob...

    Daniel Farivar, Stefan Parent, Firoz Miyanji, Michael J. Heffernan in Spine Deformity (2023)

  6. Article

    Open Access

    Deformity angular ratio is associated with neuromonitoring changes without a vertebral column resection: spinal deformity is more influential than type of surgery

    The purpose of this study is to investigate the effect of the deformity angular ratio (DAR) on intra-operative neuromonitoring (IONM) signal changes during posterior spinal fusion (PSF) without vertebral colum...

    Kenneth D. Illingworth, Ali A. Siddiqui, David L. Skaggs in Spine Deformity (2023)

  7. Article

    Open Access

    Rate and risk factors for pediatric cervical spine fusion pseudarthrosis: opportunity for improvement

    Although the pediatric population typically has a high union rate, the cervical spine has a reputation for frequent pseduarthrosis, as high as 38% in some prior series. Our purpose was to examine the rate and ...

    Edward Compton, Kenneth D. Illingworth, Stephen Stephan, David L. Skaggs in Spine Deformity (2023)

  8. No Access

    Chapter

    Hybrid Distraction-Based Growing Rods

    This chapter describes the indications, surgical technique, and benefits of distraction-based growth-friendly implants with rib anchors (hybrid distraction-based growing rods (HGRs)) in the management of early...

    Lindsay M. Andras, Kenneth D. Illingworth, David L. Skaggs in The Growing Spine (2022)

  9. No Access

    Article

    How low can you go? Implant density in posterior spinal fusion converted from growing constructs for early onset scoliosis

    Retrospective, multicenter comparative.

    Edward Compton, Purnendu Gupta, Jaime A. Gomez, Kenneth D. Illingworth in Spine Deformity (2021)

  10. No Access

    Article

    Power versus manual pedicle tract preparation: a multi-center study of early adopters

    Retrospective cohort, multicenter.

    David L. Skaggs, Edward Compton, Michael G. Vitale, Sumeet Garg in Spine Deformity (2021)

  11. No Access

    Article

    Standing in Schroth trained position significantly changes Cobb angle and leg length discrepancy: a pilot study

    Retrospective.

    Kira Skaggs, Adrian J. Lin, Lindsay M. Andras, Kenneth D. Illingworth in Spine Deformity (2020)

  12. No Access

    Article

    40% reoperation rate in adolescents with spondylolisthesis

    Multicenter retrospective.

    Ena Nielsen, Lindsay M. Andras, Ali A. Siddiqui, Nicole Michael in Spine Deformity (2020)

  13. No Access

    Article

    Five or more proximal anchors and including upper end vertebra protects against reoperation in distraction-based growing rods

    Retrospective multi-center enrollment.

    Liam Harris, Lindsay M. Andras, Gregory M. Mundis, Paul D. Sponseller in Spine Deformity (2020)

  14. No Access

    Article

    Growth guidance constructs with apical fusion and sliding pedicle screws (SHILLA) results in approximately 1/3rd of normal T1–S1 growth

    Retrospective, multicenter.

    Alexander Nazareth, David L. Skaggs, Kenneth D. Illingworth in Spine Deformity (2020)

  15. No Access

    Article

    Dedicated spine nurses and scrub technicians improve intraoperative efficiency of surgery for adolescent idiopathic scoliosis

    Retrospective comparative study.

    Rajan R. Murgai, Lindsay M. Andras, Ena Nielsen, Gary Scott, Hazel Gould in Spine Deformity (2020)

  16. No Access

    Article

    Two cases of paralysis secondary to aneurysmal bone cysts with complete neurologic recovery

    Case report (retrospective).

    Aaron Beck, David L. Skaggs, Tracy Kovach, Erin Kiehna in Spine Deformity (2020)

  17. No Access

    Article

    Periosteal turndown flap for posterior occipitocervical fusion: a technique review

    Recently, several authors have proposed techniques for improving the fusion rate in pediatric posterior occipitocervical fusion including a variety of implants and the use of bone morphogenetic protein. A tech...

    Siamak Yasmeh, Adrienne Quinn, Liam Harris, Austin E. Sanders in European Spine Journal (2017)

  18. No Access

    Article

    Return of motor evoked potentials after knee flexion in the setting of high-grade spondylolisthesis

    To present a case of loss of motor-evoked potentials (MEPs) to the left foot in the supine position after a partial reduction and instrumented fusion from L4 to pelvis which was managed successfully without re...

    Justin Tilan, Lindsay M. Andras, Mark D. Krieger, David L. Skaggs in European Spine Journal (2017)

  19. Article

    Open Access

    Screening for hip dysplasia in congenital muscular torticollis: is physical exam enough?

    An association between congenital muscular torticollis (CMT) and developmental dysplasia of the hip (DDH) has been established in the literature; however, whether the screening of patients with CMT for DDH req...

    Elizabeth R. A. Joiner, Lindsay M. Andras in Journal of Children's Orthopaedics (2014)